Personality changes

What it means

An abnormal shift in patterns of thinking, acting, or feeling.

This term refers to changes in personality that are perceived as abnormal. It does not refer to the usual gradual personality changes that tend to accompany aging and certain life situations.

Rare diseases that can present with this22

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category